Results 61 to 70 of about 695,323 (266)
Advanced Engineering Materials, EarlyView.Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios +5 more
wiley +1 more source
Research Progress on Stable Isotope Online Testing Technology for Organic Contaminants
Yankuang ceshi, 2013 Compound-specific isotope analysis (CSIA) online is an indispensable key technique for identifying the sources of organic contaminants in the environment and characterizing their transformation processes, but there are still some problems in practical ...
FANG Jing-jing +7 more
doaj
Advanced Engineering Materials, EarlyView.Four‐point bending tests are conducted in an argon atmosphere on commercial MgO‐C brick grades with and without MgO‐C recyclate from room temperature up to 1300 °C. No detrimental effect of the MgO‐C recyclates on bending strength is found. Instead, a decisive influence of the total carbon content is observed, with lower total carbon contents ...
Alexander Schramm +5 more
wiley +1 more source
Numerical simulation of gas–liquid two-phase flow in a horizontal manifold with downward branches
Journal of Fluid Science and TechnologyLarge eddy simulations (LESs) with the volume of fluid (VOF) method are applied to gas–liquid two-phase flows in a horizontal manifold with five downward branches under various inlet flow rates and quality conditions, and the validity is examined by ...
Jun NISHIO, Ryoichi KUROSE
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HYDRODYNAMIC AND MASS TRANSFER PARAMETERS IN LARGE-SCALE SLURRY BUBBLE COLUMN REACTORS [PDF]
, 2005 The design, modeling, optimization and scaleup of slurry bubble column reactors (SBCRs) require, among others, the knowledge of the kinetics, hydrodynamics, and mass as well as heat transfer characteristics in larger-scale reactors, operating under ...
Behkish, Arsam
core
Gas-liquid mass transfer : influence of sparger location [PDF]
, 2004 The performance of three sparger diameters (DS = 0.6D, DS = D, DS = 1.6D) in combination with three positions (below, above or level with the impeller) for gas-liquid dispersion and mass transfer were evaluated in the case of the Rushton turbine and ...
Aubin, Joelle +3 more
core +2 more sources
Advanced Engineering Materials, EarlyView.This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm +6 more
wiley +1 more source
Computation of liquid-liquid equilibria and phase stabilities: implications for RH-dependent gas/particle partitioning of organic-inorganic aerosols [PDF]
, 2010 Semivolatile organic and inorganic aerosol species partition between the gas and aerosol particle phases to maintain thermodynamic equilibrium. Liquid-liquid phase separation into an organic-rich and an aqueous electrolyte phase can occur in the aerosol ...
Marcolli, C. +3 more
core +3 more sources
Thermophysical Properties of the Desulphurization Slags With Various CaS and CaO/Al2O3 Ratio
Advanced Engineering Materials, EarlyView.This article investigates how CaS content and the CaO/Al2O3 ratio influence the thermophysical properties of desulphurization slags. Using experimental measurements and thermodynamic simulations, this study reveals complex effects on viscosity, surface tension, and density, providing new insight into slag structure and phase behavior under ...
Eldar Salpagarov +4 more
wiley +1 more source
Zum Vorkommen von Cholesterin in Hosta undulata (Liliaceen)
CHIMIA, 1972 The free sterols from leaves of Hosta undulata (Liliaceae) contain cholesterol, stigmasterol, and sitosterol in a ratio of approximately 16:51:33. Traces of campesterol are probably also present.
W. Eichenberger, B. Fürst, E.C. Grob
doaj +1 more source